The 3rd IAG Commission 4 Symposium: Positioning and Applications, will take place from 13 to 15 May, 2025, in Wuhan, China. As a continued Symposium Series of IAG Commission 4, this event will bring together scientists, researchers, and professionals working across the diverse field of positioning and its applications. The symposium a aims to foster […]
1st GGOS IberAtlantic Summer School The 1st GGOS IA Summer School will be held at the Yebes Observatory in Guadalajara, Spain, from July 13th to 18th, 2025. Organized by GGOS IA, IGN, Yebes Observatory, and RAEGE-Az, this event offers a unique opportunity for students to explore geodetic science through both theoretical and practical sessions. Participants […]
It is our pleasure to announce that the International Astronomical Union (IAU) Symposium "Advancing Reference Systems, Ephemeris, and Standards: from the Earth and the Moon to Solar System Bodies" (IAUS 401) will be held from August 4 to 9, 2025, at the National University of La Plata (UNLP), La Plata (Argentina). Reference systems and their […]
The annual business meeting of GGOS, known as GGOS Days, will be integrated with the IAG Scientific Assembly in 2025. As a result, there will be no separate meeting as in previous years. Instead, reports from the GGOS components will be presented during the GGOS Symposium at the Assembly. Additionally, a GGOS Governing Board meeting […]
Join us at the IAG 2025 Scientific Assembly from 1 to 5 September 2025, in Rimini, Italy. With the theme "Geodesy for a Changing Environment", the conference will explore critical topics in geodesy across the four IAG Commissions: Reference Frames, Gravity Field, Rotation and Geodynamics, and Positioning and Applications. Additionally, the GGOS Days 2025 will […]
The AGU Annual Meeting 2025 brings together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary, and space sciences. GGOS is planning to have it’s own session. More information will follow…
The Commission 1 "Reference Frames" of the International Association of Geodesy (IAG), the IAG Global Geodetic Observing System (GGOS) and the International Earth Rotation and Reference Systems Service (IERS) are pleased to announce the: IAG International Symposium on Reference Frames for Applications in Geosciences (REFAG2026) to be held on 2-4 March 2026, followed by the […]
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